1. Tutorial on sound propagation outdoors;Embleton;Journal of the Acoustical Society of America,1996
2. Review of ground effects on outdoor sound propagation from continuous broadband noise;Attenborough;Applied Acoustics,1988
3. Highway noise prediction and control;Bowlby,1991
4. Calculation methods for road traffic noise propagation proposed by ASJ;Takagi,1994
5. Factors affecting traffic noise and methods of prediction;Favre,1987